| Knapp | Robt. | Young's Siding, via Denmark | 3KG | 1924 |
| Knapp | Robt. | The Dell, Ballidu | 6RK | 1924 |
| Knapp | Thos. | Springfiell, Torbay | 5JT | 1912 |
| Knapp | Thos. | Springfield, Torbay | 5JT | 1924 |
| Knapp | W. R. | 2564-61, 2130, 2101-2, Kulja | WK7 and 35A, 6B | 1962 |
| Knapp & Co. | G. E. | Millidu, Ballidu | 4GK and 22C, 47A | 1962 |
| Knapton | C. Wm. | Norlup Brook, Greenbushes | YK1 | 1912 |
| Knapton | C. Wm. | Norlup Brook, Greenbushes | YK1 | 1924 |
| Knapton | G. H. | Fernridge, Balingup | G0K and 37C, 47E | 1962 |
| Knapton | J. H. | SpringView, Greenbushes | J9K | 1912 |
| Knapton | J. H. | Spring View, Greenbushes | J9K | 1924 |
| Knapton | R. C. | Locs. 124, 715, 716, Balingup | YK1 and 12D, 16E | 1962 |
| Knapton | V. J. | Springview, Greenbushes | J9K and 26B, 31A | 1962 |
| Knarhoi | H. H. | Yalobia Station, Carnarvon | HK1 | 1912 |
| Knarhoi | H. H. | Yalobia Station, Carnarvon | HK1 | 1924 |
| Knauerhase | W. J. | Yerapin Estate Block No. 22, Bruce Rock | W2K and 29B, 32E | 1962 |
| Kneal | John Jas. | Greenbushes | JK1 | 1924 |
| Kneale | John Jas. | Greenbushes | JK1 | 1912 |
| Knezovich | Mark | Commonage, Meekatharra | K3O | 1924 |
| Knight | A. J. | Korijekup, Harvey | X3K | 1924 |
| Knight | A. J. | Korijekup Estate Lots 48 and 21, Harvey | X3K | 1962 |
| Knight | E. | Nelson 11848, Yornup | EK6 and 48B, 110E | 1962 |
| Knight | E. C. & E. E. | Wellington 2118-9-20, 1117, 2121-2-3, Collie | E8E and 115B, 42E | 1962 |
| Knight | F. | Robinson, Est. Loc 33, Albany | FK7 and 47D, 6E | 1962 |
| Knight | F. J. | Rocky Pool, Wagin | F6K | 1912 |
| Knight | F. J. | Rock Pool, Wagin | F6K | 1924 |
| Knight | F. J. | Sussex 1559, Forest Grove | 8RW | 1962 |
| Knight | Frederick W. | Victoria Loc. 6290 and 6298, Bowgada | ZY8 | 1925 |
| Knight | G. R. & H. S. | Redgum Park, Narrikup | 8KG | 1962 |
| Knight | J. A. | Avon Location 6533, Corrigin | KD7 | 1924 |
| Knight | J. E. | Chirgejup, Porongorup | 0FK and 50B, 38E | 1962 |
| Knight | J. R. | Part 2 Saw 188, Armadale | 1RK and 45B, 45E | 1962 |
| Knight | J. R. | Walden, Mt. Barker | 7VJ | 1962 |
| Knight | J. S. | Hay Loc. 255, Denbarker, via Mt. Barker | J6K and 110D, 48E | 1962 |
| Knight | J. W. | Kulki, Katanning | CW9 and 17C, 51F | 1962 |
| Knight | John Fredk. | Chergejup, via Mt. Barker | 0FK | 1924 |
| Knight | John Temple | Sussex Loc. 590, Warren Road, Busselton | 8VQ | 1925 |
| Knight | L. W. | Holmesdale Farm, Winchester | U9K | 1924 |
| Knight | Lang | Teranga, Berger | LK7 | 1912 |
| Knight | Lang | Teranga, Benger | LK7 | 1924 |
| Knight | N. L. | M. 1344, Koolanooka | NK1 and 110A, 3B | 1962 |
| Knight | Peter | Swanmore Glen, Beverley | PK2 | 1912 |
| Knight | Peter | Swanmore Glen, Beverley | PK2 | 1924 |
| Knight | R. A. | Kudardie, Bullfinch | QK7 | 1924 |
| Knight | R. J. | Glendene, Wooroloo | 4RK and 47D, 106E | 1962 |
| Knight | S. H. | Campbell Park, Cuballing | 8SK and 25B, 80E | 1962 |
| Knight | V. H. | Kuadinwarrah, Bullfinch | 4VK | 1924 |
| Knight | Wm. T. | Langsdale, Keysbrook | TK3 | 1912 |
| Knight | Wm. T. | Langsdale, Keysbrook | TK3 | 1924 |
| Knight & Dunn | - | Talbot, York | K0D | 1912 |
